Change your password?

Since the new beta site requires a login to view episodes (for some reason), I logged into an account I made a few years ago. All fine and good, except it uses an old password, one I don't feel is strong enough for my own personal standards these days. I've poked around a bit, but I can't seem to find an option anywhere to change your existing password. Is that missing from the beta site? If it's not, could someone please direct me there?